Finding the Fourth Proportional to 139,934.41, 209,934.41 and 46,440.16

Step by Step Solution

1. Step 1: Write the proportion equation
   139,934.41 : 209,934.41 = 46,440.16 : x
2. Step 2: Convert to fraction form
   139,934.41/209,934.41 = 46,440.16/x
3. Step 3: Cross multiply
   139,934.41x = 209,934.41 × 46,440.16
4. Step 4: Simplify right side
   139,934.41x = 9,749,387,589.91
5. Step 5: Solve for x
   x = 9,749,387,589.91/139,934.41
6. Step 6: Final answer
   x = 69,671.12